One popular theme is exploring the relationships between the characters in more depth. For example, delving into the romantic relationships that were only hinted at in the original trilogy.
You can try some popular fanfiction websites like Archive of Our Own (AO3). It has a large collection of fanfictions from various fandoms, including the Black Jewel Trilogy. Just use the search function on the site to look for it.
One popular 'Black Jewel Trilogy Fanfic' might be those that explore the backstories of the main characters in more depth. For example, there could be fanfics that focus on how the characters developed their powers.
Sonea is often very popular. Her journey from a novice to a powerful magician in the original trilogy makes her a great character to explore further in fanfiction. Fans might write about her new adventures or her relationships with other characters.
Maybe a fanfiction where the antagonist from the trilogy gets a redemption arc. In this story, we see the reasons behind their actions in the original and how they strive to change. It could add a whole new layer of depth to the familiar world of the Black Magician Trilogy.
One popular 'Black Jewels Trilogy Fanfiction' story could be the ones that focus on the further adventures of the main characters. For example, some might explore the post - trilogy life of Jaenelle Angelline, delving deeper into how she manages the complex web of relationships and power dynamics in the world she has reshaped.
One notable aspect is the exploration of the rich and complex world created in the original 'Black Jewels Trilogy'. Fanfiction often delves deeper into the relationships between characters, like the complex power dynamics between the Blood. It can also expand on the magic system, perhaps creating new spells or exploring different uses of the Jewels. Some fanfictions might focus on side characters, giving them more backstory and development that wasn't fully explored in the original books.
One idea could be that the jewel is a magical heirloom of the Dalmatian family. It has the power to protect them from the evil Cruella. The puppies go on an adventure to find the jewel when they sense Cruella's return.
One idea could be exploring the backstory of a minor character in more detail. For example, a sidekick of Sonea who has their own secret magical abilities that they've been hiding. This could add a new layer of mystery to the story.